Science

Environment
6:55 am
Sat August 17, 2013

Dolphin Deaths Alarm Scientists

Originally published on Sun August 18, 2013 6:35 am

Transcript

SCOTT SIMON, HOST:

Dolphins are washing ashore in alarming numbers in the Mid-Atlantic states this summer. More than 160 deaths of dolphins have been reported since early July and that's the worst fate in 26 years. Response teams from New York to Virginia are trying to determine just what's killing all these dolphins. Charlie Potter is working with one of those teams at the Virginia Aquarium and Marine Science Center.

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Research News
4:44 pm
Fri August 16, 2013

N. America's Oldest Known Petroglyphs Discovered In Nevada

Courtesy of Larry Benson

Originally published on Fri August 16, 2013 5:22 pm

Ancient North Americans gouged elaborate rock art into a heap of big boulders northeast of Reno, Nev., more than 10,000 years ago and perhaps 15,000 years ago. That makes the carvings the oldest known petroglyphs on the continent, according to a paper published in the Journal of Archaeological Science.

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Environment
10:56 am
Fri August 16, 2013

For a Greener Yard, Lose the Lawn

Across the Southwest, cities are banning water-thirsty front lawns. Cado Daily of the University of Arizona's Water Wise Program views that as an opportunity to plant a "rainscape" — a yard with drought-friendly native plants that she says can look as lush as a lawn, and lure wildlife back, too.

Energy
10:56 am
Fri August 16, 2013

Strengthening the Grid, Ten Years Later

Ten years ago this week, a massive electrical blackout struck the northeastern US and parts of Canada, affecting some 55 million people. IEEE Spectrum journalist Bill Sweet describes the causes of the outage and how the electrical grid has changed since the 2003 failure.

Education
10:56 am
Fri August 16, 2013

The STEM Gender Gap

The number of girls and women studying the sciences has steadily increased each year, but there is still a gender gap in higher education and the work force. Researchers Andresse St. Rose and Catherine Riegle-Crumb and Linda Kekelis, executive director of Techbridge, discuss the social and environmental factors that contribute to this disparity.

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